| Kotone琴音 |
| Hair | Hair Beads, Parted in Middle, Ponytail, Red, Shoulder-length, Twin Tails |
| Eyes | Blue |
| Body | Pale, Slim, Teen, Visible Nipples |
| Clothes | Hair Ribbon, Pleated Skirt, Ribbon Tie, School Uniform, Sport Bloomers, Sports Uniform, T-shirt, Towel |
| Personality | Watashi |
| Role | Cousin, High School Student, Niece, Orphan |
| Subject of | Netorare (they are the stolen SO) |
| Visual novels | Main character - Hitotsu Yane no Shita de... |
| Voiced by | Ayana Maria |